patch, eyepatch, eye patch = opaska na oko

wearing an eye patch for

Source: http://www.dailymail.co.uk/health/article-481796/Children-lazy-eyes-need-day-eye-patch.html

opaska na oko

English sentence and Polish translation

Davis wore an eye patch for at least six months following the accident. = Davis nosił opaskę na oko przez przynajmniej sześć miesięcy po wypadku.